(Land of Oohs & Ahhs) on The Black Market at Rt.66 Speedway in Joplin, Jasper County, MO. MO66 (7th St.) W. 2.5 miles from jct with Bus.I44 (Main St.), S. on Tri State Rd. 100 yds to the mural on the W. side of the road. (N37 05.031 W94 33.508) Photo by Jack & June Schmidt 5-15-09.